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        <h1 class="title">欢迎参观小灰灰的网站哟 ヾ(◍°∇°◍)ﾉﾞ ~</h1>
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                It's founded on March 9, 2019 and the open source address for the blog notes https://github.com/YUbuntu0109/YUbuntu0109.github.io
            
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        <time class="post-time" title="2019-05-09 21:01:53" datetime="2019-05-09T21:01:53.000Z"  itemprop="datePublished">2019-05-09</time>

        


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        学习笔记 : 初识 SpringSpring 简介Spring是由Rod Johnson组织和开发的一个分层的Java SE/EE full-stack(一站式)轻量级开源框架,它以IoC(Inversoin of Control,控制反转)和AOP(Aspect Oriented Programming,面向切面编程)为内核,使用基本的JavaBean来完成以前只可能由EJB(Enterp...
    

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        学习笔记 : Java web之JSP 开发模型JSP Model1简介 : JSP Model1采用JSP+JavaBean的技术,将页面显示和业务逻辑分开.其中,JSP实现流程控制和页面显示,JavaBean对象封装数据和业务逻辑.这种设计实现了数据,业务逻辑和页面显示的分离,在一定程度上实现了程序开发的模块化,降低了程序修改和维护的难度.
JSP Model1 案例案例描述 : 通过一...
    

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        Critics Praise New and Last Avengers Series FilmMany movie critics are giving high praise to Avengers: Endgame,the final film in the superhero series from Walt Disney’s Marvel Studios.

许多影评人对《复仇者联...
    

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        学习笔记 : Java web之会话及其会话技术概述在Web开发中,服务器跟踪用户信息的技术成为会话技术,它指的是一个客户端(浏览器)与Web服务器之间连续发生的一系列请求和响应的过程.为了保存会话过程中产生的数据,在Servlet技术中,提供了两个用于保存会话数据的对象,分别是Cookie和Session.
Cookie objectCooke是一种会话技术,它用于将会话过程中的数据保存到...
    

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        学习笔记 : Java web之Servlet事件监听器概述Servlet事件监听器可以监听ServletContext,HttpSession,ServletRequest等域对象的创建和销毁过程,监听这些域对象属性的修改以及感知绑定到HttpSession域中某个对象的状态.根据监听事件的不同可以将其分为三类,具体如下 :

用于监听域对象创建和销毁的事件监听器 : ServletCon...
    

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        学习笔记 : Java web之过滤器简介Filter被称作过滤器或者拦截器,作为Servlet 2.3中新增的技术,可以实现用户在访问某个目标资源之前,对访问的请求和响应进行相应处理.其基本功能就是对Servlet容器调用Servlet的过程进行拦截,从而在Servlet响应处理前后实现一些特殊功能. Filter过滤器实现了javax.servlet.Filter接口.在Filter接口...
    

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        学习笔记 : Java web之请求与响应简介Servlet最主要的作用就是处理客户端请求,并向客户端做出响应.为此,针对Servlet的每次请求,Web服务器在调用service()之前,都会创建两个对象,分别是: HttpServletRequest和HttpServletResponse.其中HttpServletRequest用于封装HTTP请求消息,简称request对象.Http...
    

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        <time class="post-time" title="2019-04-28 15:49:03" datetime="2019-04-28T15:49:03.000Z"  itemprop="datePublished">2019-04-28</time>

        


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        Americans’Favorite Thing To DoAmericans’s favorite activity has long been said to be baseball. But a new study by the U.S. government suggests that is not true. The Bureau of Labor Statistics says ...
    

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        <time class="post-time" title="2019-04-27 16:20:30" datetime="2019-04-27T16:20:30.000Z"  itemprop="datePublished">2019-04-27</time>

        


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        A Lifetime of Exercise Slows Aging ProcessFrom VOA learning English,this is the Health&amp;Lifestyle report.

这里是美国之音——健康&amp;生活方式节目.

If you have been meaning to add more exercise to your daily ro...
    

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        学习笔记 : Java web之文件的上传与下载文件上传如何实现文件上传Apache组织提供了一个开源组件Commons-FileUpload( 依赖于common-io ),该组件可以方便地将multipart/form-data类型请求中的各种表单解析出来,并实现一个或多个文件的上传,同时也可以限制上传文件的大小等内容..并且性能优异,使用简单. FileUpload组件是通过Servl...
    

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